US775110A - Tool for cement-work. - Google Patents

Tool for cement-work. Download PDF

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Publication number
US775110A
US775110A US22615503A US1903226155A US775110A US 775110 A US775110 A US 775110A US 22615503 A US22615503 A US 22615503A US 1903226155 A US1903226155 A US 1903226155A US 775110 A US775110 A US 775110A
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Prior art keywords
tool
plate
cement
handle
work
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Expired - Lifetime
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US22615503A
Inventor
Oliver M Jumper
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Oliver M Jumper
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Priority to US22615503A priority Critical patent/US775110A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00Implements for finishing work on buildings
    • E04F21/165Implements for finishing work on buildings for finishing joints, e.g. implements for raking or filling joints, jointers

Description

No. 775,110. PATENTBD NOV. 15, 1904. O. M. JUMPER.

TOOL FOR CEMENT WORK.

APPLICATION FILED MAY 14. 1903. RENEWED SEPT. 27, 1904.

NO MODEL.

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UNTTED STATES Patented November 15, 1904.

PATENT OFFICE.

TOOL FOR CEMENT-WORK.

SPECIFICATION forming part of Letters Patent No. 775,110, dated November 15, 1904.

Application filed May 14, 1903. Renewed September 27, 1904. Serial No. 226,155. (No model.)

To (/77 7071 0711, 7'1 mmly (OIL/Writ.

Be it known that 1, OLIvER M. JUMPER, of Lafayette, county of Tippecanoe, and State of Indiana. have invented a certain new and useful Tool for Cement-\Vork; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings, in which like numerals refer to like parts.

The object of this invention is to provide a convenient and eilicient tool for jointing and edging the surface of cement and similar plastic work. It is shown herein in use in the manufacture of a cement sidewalk for forming the section-lines thereon.

The invention relates more especially to the combination, with any sort of cement-working tool, of a handle attachment whereby the handle may be readily changed or removed or replaced or adjusted to any desired angle.

The full nature of the invention will be understood from the accompanying drawings and the following description and claims.

1n the drawings, Figure 1 is a perspective of a portion of a cement sidewalk showinga cement-tool in use. Fig. 2 is a plan view of the tool and the means for attaching a handle, the handle being removed. Fig. 3 is a section on the line 3 3 of Fig. Fig. i is similar to Fig. 2 with a modified form of the handle attached. Fig. 5 is a side elevation of what is shown in Fig. 4.

represents a cementsidewalk; 11, the side lines thereof: 12, a longitudinal line made by the tool midway of the sides, and 13 are transverse lines made by the tool and dividing the surface of the sidewalk into sections.

The tool herein shown to illustrate this invention is a marker consisting of a metal body portion formed here of a plate 1 1, with a downwardly-extending groove-making rib or blade 15 centrally located on the under side. One side of the plate 14 is turned up at 16 to bear against the temporaryguideboard 37 while lines are being formed in the manner shown in Fig. 1. 17 is an integral lugcentrally located on and extending up from said plate 1%. It is round and provided with a central hole threaded to receive the threaded bolt 18, that has on its upperend a round collar 19 and above the same the wrench-head 20.

A handle is removably secured on the foregoing round lug 17. This is done in the manner shown in the first three drawings by providing a circular plate 21, centrally apertured to fit easily over the round lug 17 and having extending upward and laterally away from it a pair of cars 22, through which a pivot-pin extends. The handle 21 (shown in Fig. 1) is pivoted on the pin 23 between the cars 22. The aperture in the plate 21 is large enough to tit over the collar 19, so that said plate may be slipped down about the lug 17 below. It is held in that position by the catch-plate 25, that is pivoted at 26 to the plate 21 and is provided with a hooked end 27 to partially encircle the bolt 18 under the collar 19. The recess cut in the plate to form the hooked end 27 is of smaller diameter than the collar 19, so that said collar can be clamped down tightly on the plate 25, and thus hold the handle attachment securely in place.

The handle is released by releasing the collar-19 from pressure on the plate 25 and throwing the latter to one side out ofthe way, and thus lifting the handle attachment off the tool. The plate 25 has a finger-piece 28 extending up to one side of it and a stop 29 extending down to limit the inward or closing movement of said plate by the stop 29 coming in contact with the main plate 21 below. It is obvious from this that the handle attachment may be turned from any position to the clamping-place to enable the workman to operate the tool while standing in any position with relation to his work.

The modified form of the last two figures show the handle 30 integral with the plate 21, so that said plate does not need the ears 22 or pivot-pin 2'3. Otherwise there is no difference in the two constructions. Its handle therefore is rigid with the handle attachment, and it is desirable where a short handle is used or where a workman can get into close proximity to his work.

What 1 claim as my invention, and desire to secure by Letters Patent, is-

1. The combination with the body portion of a tool for working on cement or other plastic material, of a handle attachment with an opening through it, a plate pivoted thereon cess in it with the width less than the opening in the handle attachment, a screw-bolt that screws into the body portion of the tool and has a collar with the diameter greater than the width of the recess in said pivoted plate, a stop on said plate for limiting its inward movement, and afinger-piece thereon for operating said plate.

In witness whereof I have hereunto afiixed my signature in the presence of the witnesses herein named.

OLIVER M. JUMPER.

Witnesses:

J os. W. VVILsTAcH, MARY DAVIS.

US22615503A 1903-05-14 1903-05-14 Tool for cement-work. Expired - Lifetime US775110A (en)

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US22615503A US775110A (en) 1903-05-14 1903-05-14 Tool for cement-work.

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US22615503A US775110A (en) 1903-05-14 1903-05-14 Tool for cement-work.

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3208362A (en) * 1960-07-19 1965-09-28 Ernest C Stee Curb and gutter paving apparatus and method
US3516340A (en) * 1968-06-17 1970-06-23 Glen E Perkins Concrete pavement grooving process and apparatus
US3595143A (en) * 1970-04-13 1971-07-27 Salvatore Polselli Scoring tool
US4032249A (en) * 1976-11-12 1977-06-28 Devitis Louis Apparatus for grooving concrete
US4822209A (en) * 1988-02-22 1989-04-18 Nicholas Dragich Elongated concrete groover
US5203641A (en) * 1991-10-04 1993-04-20 Kranich Lyle D Fluting tool apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3208362A (en) * 1960-07-19 1965-09-28 Ernest C Stee Curb and gutter paving apparatus and method
US3516340A (en) * 1968-06-17 1970-06-23 Glen E Perkins Concrete pavement grooving process and apparatus
US3595143A (en) * 1970-04-13 1971-07-27 Salvatore Polselli Scoring tool
US4032249A (en) * 1976-11-12 1977-06-28 Devitis Louis Apparatus for grooving concrete
US4822209A (en) * 1988-02-22 1989-04-18 Nicholas Dragich Elongated concrete groover
US5203641A (en) * 1991-10-04 1993-04-20 Kranich Lyle D Fluting tool apparatus

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